Fluent Bit is a Fast and Lightweight Telemetry Agent for Logs, Metrics, and Traces for Linux, macOS, Windows, and BSD family operating systems. It has been made with a strong focus on performance to allow the collection and processing of telemetry data from different sources without complexity.
High Performance: High throughput with low resources consumption
Metrics Support: Prometheus and OpenTelemetry compatible
Reliability and Data Integrity
Security: built-in TLS/SSL support
Pluggable Architecture and Extensibility: Inputs, Filters and Outputs
Stream Processing: Perform data selection and transformation using simple SQL queries
Create new streams of data using query results
Data analysis and prediction: Timeseries forecasting
Portable: runs on Linux, macOS, Windows and BSD systems
Fluent Bit was originally created by Eduardo Silva. As a CNCF-hosted project, it is a fully vendor-neutral and community-driven project.